/*
 * Copyright (c) 2023 by Kang Wang. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.egolessness.destino.http.support;

import org.egolessness.destino.common.support.ResultSupport;
import org.egolessness.destino.common.utils.IoUtils;
import org.egolessness.destino.common.model.message.Response;
import org.apache.http.Header;
import org.apache.http.HttpResponse;

import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * support for http response.
 *
 * @author zsmjwk@outlook.com (wangkang)
 */
public class HttpResponseSupport {

    public static Response of(final HttpResponse httpResponse) throws IOException {
        if (Objects.isNull(httpResponse)) {
            return null;
        }

        InputStream inputStream = httpResponse.getEntity().getContent();
        Map<String, String> httpHeader = Arrays.stream(httpResponse.getAllHeaders())
                .collect(Collectors.toMap(Header::getName, Header::getValue));
        return ResultSupport.toResponse(IoUtils.read(inputStream), httpHeader);
    }

}
